:root {
  --black: #050505;
  --black2: #111;
  --red: #c40000;
  --red2: #ff1e1e;
  --white: #fff;
  --gray: #c8c8c8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.topbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 7%;
  background: rgba(0,0,0,.78);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .5px; }
.brand img { height: 42px; width: auto; }
nav { display: flex; gap: 26px; color: var(--gray); font-weight: 700; }
nav a:hover { color: var(--red2); }

.intro-hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 7% 80px;
  background: radial-gradient(circle at center, #300000 0%, #090909 42%, #000 100%);
}

.grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,0,0,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,0,0,.12) 1px, transparent 1px);
  background-size: 55px 55px;
  transform: perspective(600px) rotateX(62deg) translateY(180px);
  animation: gridMove 9s linear infinite;
  opacity: .45;
}
@keyframes gridMove { from { background-position: 0 0; } to { background-position: 0 55px; } }

.particles::before, .particles::after {
  content: ""; position: absolute; inset: -20%;
  background: radial-gradient(circle, rgba(255,0,0,.75) 0 2px, transparent 3px);
  background-size: 80px 80px;
  animation: drift 20s linear infinite;
  opacity: .22;
}
.particles::after { animation-duration: 30s; transform: rotate(35deg); }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(160px); } }

.scanline {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent, rgba(255,0,0,.16), transparent);
  height: 160px;
  animation: scan 6s ease-in-out infinite;
}
@keyframes scan { 0% { top: -180px; } 100% { top: 100%; } }

.intro-stage {
  position: absolute;
  width: min(900px, 90%);
  height: 300px;
  top: 17%;
  text-align: center;
  pointer-events: none;
}
.scene {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(.92);
  animation: sceneCycle 60s infinite;
}
.scene h1, .scene h2 {
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  text-transform: uppercase;
  color: var(--white);
  text-shadow: 0 0 15px var(--red), 0 0 35px var(--red);
}
.scene p {
  margin-top: 10px;
  color: var(--gray);
  font-size: clamp(1rem, 2vw, 1.5rem);
}
.scene1 { animation-delay: 0s; }
.scene2 { animation-delay: 8s; }
.scene3 { animation-delay: 16s; }
.scene4 { animation-delay: 24s; }
.scene5 { animation-delay: 32s; }
.scene6 { animation-delay: 40s; }
.scene7 { animation-delay: 50s; }
@keyframes sceneCycle {
  0% { opacity: 0; transform: scale(.92) translateY(22px); }
  4% { opacity: 1; transform: scale(1) translateY(0); }
  12% { opacity: 1; transform: scale(1) translateY(0); }
  16% { opacity: 0; transform: scale(1.05) translateY(-18px); }
  100% { opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 980px;
  margin-top: 330px;
  text-align: center;
}
.hero-content h1 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1.08; }
.hero-content p { margin: 20px auto 28px; max-width: 760px; color: var(--gray); font-size: 1.25rem; }
.buttons { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid var(--red2);
  transition: .25s ease;
}
.btn.primary { background: linear-gradient(135deg, var(--red), #680000); color: var(--white); box-shadow: 0 0 22px rgba(255,0,0,.35); }
.btn.secondary { background: rgba(255,255,255,.04); color: var(--white); }
.btn:hover { transform: translateY(-3px); box-shadow: 0 0 28px rgba(255,0,0,.55); }

.section { padding: 90px 7%; text-align: center; background: #080808; }
.section h2 { font-size: clamp(2rem, 4vw, 3.4rem); margin-bottom: 35px; color: var(--white); }
.dark-section { background: #020202; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; max-width: 1200px; margin: auto; }
.card {
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,0,0,.08));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 30px;
  text-align: left;
  box-shadow: 0 20px 45px rgba(0,0,0,.35);
}
.card h3 { color: var(--red2); font-size: 1.45rem; margin-bottom: 12px; }
.card p { color: var(--gray); }
.cta p { color: var(--gray); max-width: 760px; margin: 0 auto 28px; }
footer { text-align: center; padding: 28px; color: #999; background: #000; border-top: 1px solid rgba(255,255,255,.08); }

@media (max-width: 800px) {
  .topbar { flex-direction: column; gap: 12px; }
  nav { gap: 16px; font-size: .92rem; }
  .cards { grid-template-columns: 1fr; }
  .hero-content { margin-top: 360px; }
}
